Enhanced resolution beyond the Abbe diffraction limit with wavelength-scale solid immersion lenses

被引：95
作者：
Mason, Daniel R.
Jouravlev, Mikhail V.
Kim, Kwang S. [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Chem, Ctr Superfunct Mat, Pohang 790784, South Korea
来源：
OPTICS LETTERS | 2010年 / 35卷 / 12期
基金：
新加坡国家研究基金会;
关键词：
SUBSURFACE MICROSCOPY; PHOTONIC NANOJETS; FIELD; LIGHT;
D O I：
10.1364/OL.35.002007
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The solid immersion lens (SIL) is a well-developed near-field optical device for imaging and data storage. Recent experiments have demonstrated high-quality imaging beyond the diffraction limit by nanoscale lenses in an SIL-type implementation [Nature 460, 498 (2009)]; we call these nSIL. A question arises as to what resolution is obtainable with an nSIL. From full three- dimensional, finite-difference time-domain calculations, we demonstrate that the FWHM of the focal spot of an objective-lens-nSIL system can be reduced by greater than 25% compared to a regular macroscopic SIL. (C) 2010 Optical Society of America
引用
收藏
页码：2007 / 2009
页数：3
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